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Chevrolet
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2006
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Uplander Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.5L - DTC P0016 To DTC P0206
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DTC P0137
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Conditions for Setting the DTC
Conditions for Setting the DTC
The PCM detects that the HO2S 2 signal voltage remains below 78 mV for more than 2 minutes.
This diagnostic runs continuously.